全文获取类型
收费全文 | 6317篇 |
免费 | 1015篇 |
国内免费 | 18篇 |
专业分类
耳鼻咽喉 | 143篇 |
儿科学 | 267篇 |
妇产科学 | 86篇 |
基础医学 | 456篇 |
口腔科学 | 94篇 |
临床医学 | 1377篇 |
内科学 | 1411篇 |
皮肤病学 | 160篇 |
神经病学 | 490篇 |
特种医学 | 313篇 |
外科学 | 1215篇 |
综合类 | 74篇 |
一般理论 | 5篇 |
预防医学 | 340篇 |
眼科学 | 152篇 |
药学 | 192篇 |
中国医学 | 2篇 |
肿瘤学 | 573篇 |
出版年
2023年 | 157篇 |
2022年 | 61篇 |
2021年 | 165篇 |
2020年 | 229篇 |
2019年 | 112篇 |
2018年 | 255篇 |
2017年 | 185篇 |
2016年 | 233篇 |
2015年 | 205篇 |
2014年 | 327篇 |
2013年 | 406篇 |
2012年 | 231篇 |
2011年 | 230篇 |
2010年 | 294篇 |
2009年 | 331篇 |
2008年 | 244篇 |
2007年 | 226篇 |
2006年 | 226篇 |
2005年 | 220篇 |
2004年 | 182篇 |
2003年 | 162篇 |
2002年 | 154篇 |
2001年 | 165篇 |
2000年 | 173篇 |
1999年 | 138篇 |
1998年 | 94篇 |
1997年 | 86篇 |
1996年 | 82篇 |
1995年 | 78篇 |
1994年 | 55篇 |
1993年 | 42篇 |
1992年 | 111篇 |
1991年 | 115篇 |
1990年 | 91篇 |
1989年 | 110篇 |
1988年 | 98篇 |
1987年 | 100篇 |
1986年 | 99篇 |
1985年 | 112篇 |
1984年 | 67篇 |
1983年 | 62篇 |
1982年 | 32篇 |
1980年 | 38篇 |
1979年 | 57篇 |
1978年 | 41篇 |
1977年 | 53篇 |
1976年 | 36篇 |
1975年 | 49篇 |
1974年 | 46篇 |
1972年 | 36篇 |
排序方式: 共有7350条查询结果,搜索用时 93 毫秒
1.
Jamaal L. Benjamin MD PhD Rebecca Dennis DO Stacy White Jr MD David Munson MD Sudha A. Anupindi MD Maciej Piskunowicz MD Kassa Darge MD PhD Ami Gokli MD Misun Hwang MD 《Journal of ultrasound in medicine》2020,39(5):1031-1036
Bowel diseases of prematurity, including necrotizing enterocolitis, are dreaded ailments of neonates. Early diagnosis is difficult, with clinical and radiographic findings often inconclusive. We present a novel use of contrast-enhanced ultrasound in detection of pediatric bowel disease. Early identification of compromised blood flow or an at-risk bowel can be quantitatively detected and monitored. This ability has implications for guidance of emerging therapies, allowing targeting of inflammation. These findings represent an advancement in detection of bowel disease in neonates. 相似文献
2.
3.
4.
5.
Clinical Spectrum of Capillary Malformation–Arteriovenous Malformation Syndrome Presenting to a Pediatric Dermatology Practice: A Retrospective Study
下载免费PDF全文
![点击此处可从《Pediatric dermatology》网站下载免费的PDF全文](/ch/ext_images/free.gif)
Nicole A. Weitz M.D. Christine T. Lauren M.D. Gerald G. Behr M.D. June K. Wu M.D. Jessica J. Kandel M.D. Philip M. Meyers M.D. Sally Sultan M.D. Kwame Anyane‐Yeboa M.D. Kimberly D. Morel M.D. Maria C. Garzon M.D. 《Pediatric dermatology》2015,32(1):76-84
Capillary malformation–arteriovenous malformation syndrome (CM‐AVM) is an autosomal dominant disorder caused by RASA1 mutations. The prevalence and phenotypic spectrum are unknown. Evaluation of patients with multiple CMs is challenging because associated AVMs can be life threatening. The objective of this study was to describe the clinical characteristics of children presenting with features of CM‐AVM to an academic pediatric dermatology practice. After institutional review board approval was received, a retrospective chart review was performed of patients presenting between 2009 and 2012 with features of CM‐AVM. We report nine cases. Presenting symptoms ranged from extensive vascular stains and cardiac failure to CMs noted incidentally during routine skin examination. All demonstrated multiple CMs, two had Parkes Weber syndrome, and two had multiple infantile hemangiomas. Seven patients had family histories of multiple CMs; three had family histories of large, atypical CMs. Six had personal or family histories of AVMs. Genetic evaluation was recommended for all and was pursued by six families; four RASA1 mutations were identified, including one de novo. Consultations with neurology, cardiology, and orthopedics were recommended. Most patients (89%) have not required treatment to date. CM‐AVM is an underrecognized condition with a wide clinical spectrum that often presents in childhood. Further evaluation may be indicated in patients with multiple CMs. This study is limited by its small and retrospective nature. 相似文献
6.
7.
Darren R. Feldman MD Yasser Ged MBBS Chung-Han Lee PhD Andrea Knezevic MS Ana M. Molina MD Ying-Bei Chen PhD Joshua Chaim DO Devyn T. Coskey MS Samuel Murray MS Satish K. Tickoo MD Victor E. Reuter MD Sujata Patil PhD Han Xiao MD Jahan Aghalar MD Arlyn J. Apollo MD Maria I. Carlo MD Robert J. Motzer MD Martin H. Voss MD 《Cancer》2020,126(24):5247-5255
8.
Fibromyalgia is a syndrome of widespread pain, nonrestorative sleep, disturbed mood, and fatigue. Optimal treatment involves
a multidisciplinary approach with a team of health care providers using pharmacologic and nonpharmacologic treatment. Because
of the heterogeneity of the illness, management should be individualized for the patient. Pharmacologic treatment should address
issues of pain control, sleep disturbance, fatigue, and any underlying coexisting mood disorder. Nonpharmacologic treatment
should include patient education, a regular exercise and stretching program, and cognitive behavioral therapy. All of these
are essential to improving functional capacity and quality of life. This review provides general guidelines in initiating
a successful pharmacologic treatment program for patients with fibromyalgia. 相似文献
9.
10.